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Scott Pruitt has resigned from his post as Environment Protection Agency (EPA) chief, according to a tweet from Donald Trump. Mr Pruitt was plagued with scandal throughout his 16-month term in office, but ultimately fulfilled Mr Trump’s promise to deregulate the coal and energy sectors and dismantle Barack Obama’s climate change legacy. Mr Pruitt's tenure was nonetheless dogged by accusations that he was misusing public money and the power his office gave him.